Packages

c

net.liftweb.http

SnapshotRequestVar

abstract class SnapshotRequestVar[T] extends RequestVar[T]

This subclass of RequestVars that allow the specification of a RequestVarSnapshotGroup. You can create a snapshot of all the members of this group in RequestVar.snapshot

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Inherited
  1. SnapshotRequestVar
  2. RequestVar
  3. HasLogUnreadVal
  4. AnyVar
  5. AnyVarTrait
  6. HasCalcDefaultValue
  7. PSettableValueHolder
  8. SettableValueHolder
  9. Settable
  10. PValueHolder
  11. ValueHolder
  12. AnyRef
  13. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new SnapshotRequestVar(group: RequestVarSnapshotGroup, d: ⇒ T)

Type Members

  1. type CleanUpParam = Box[LiftSession]
    Definition Classes
    RequestVarAnyVarTrait
  2. type FuncType = (Box[T], Boolean) ⇒ Unit

    The function takes a Box[T] (Full if the Var is being set, Empty if it's being cleared) and a Boolean indicating that the set function is setting to the default value.

    The function takes a Box[T] (Full if the Var is being set, Empty if it's being cleared) and a Boolean indicating that the set function is setting to the default value.

    Definition Classes
    AnyVarTrait
  3. type ValueType = T
    Definition Classes
    PValueHolderValueHolder

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. def __nameSalt: String
    Attributes
    protected
    Definition Classes
    AnyVarTrait
  5. def apply(what: T): T

    Set the session variable

    Set the session variable

    what

    -- the value to set the session variable to

    Definition Classes
    AnyVarTrait
  6. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  7. def atomicUpdate(f: (ValueType) ⇒ ValueType): ValueType

    Perform an atomic update of this Settable.

    Perform an atomic update of this Settable. The current value is passed to the function and the ValueHolder is set to the result of the function. This is enclosed in the performAtomicOperation method which will, by default, synchronize this instance

    Definition Classes
    Settable
  8. def calcDefaultValue: T
    Attributes
    protected
    Definition Classes
    AnyVarAnyVarTraitHasCalcDefaultValue
  9. def clearFunc(name: String): Unit
    Attributes
    protected
    Definition Classes
    RequestVarAnyVarTrait
  10. def clone(): AnyRef
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  11. def doSync[F](f: ⇒ F): F

    Different Vars require different mechanisms for synchronization.

    Different Vars require different mechanisms for synchronization. This method implements the Var specific synchronization mechanism

    Definition Classes
    RequestVarAnyVarTrait
  12. def doWith[F](newVal: T)(f: ⇒ F): F

    Change the value of the Var for the lifespan of the function

    Change the value of the Var for the lifespan of the function

    Definition Classes
    AnyVarTrait
  13. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  14. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  15. def finalize(): Unit
    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  16. def findFunc(name: String): Box[T]
    Attributes
    protected
    Definition Classes
    RequestVarAnyVarTrait
  17. final def generateSnapshotRestorer[T](): (() ⇒ T) ⇒ T

    Generate a function that will take a snapshot of the current RequestVars such that they can be restored

    Generate a function that will take a snapshot of the current RequestVars such that they can be restored

    Definition Classes
    RequestVar
  18. def get: T

    Shadow of the 'is' method

    Shadow of the 'is' method

    Definition Classes
    AnyVarTraitValueHolder
  19. final def getClass(): Class[_]
    Definition Classes
    AnyRef → Any
  20. val group: RequestVarSnapshotGroup
  21. def hashCode(): Int
    Definition Classes
    AnyRef → Any
  22. def is: T

    The current value of the variable

    The current value of the variable

    Definition Classes
    AnyVarTrait
  23. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  24. def logUnreadVal: Boolean

    This defines whether or not Lift will log when a RequestVar is set but then not read within the same request cycle.

    This defines whether or not Lift will log when a RequestVar is set but then not read within the same request cycle. Change this to false to turn off logging. Logging can also be turned off globally via LiftRules.logUnreadRequestVars.

    Definition Classes
    RequestVar → HasLogUnreadVal
    See also

    LiftRules#logUnreadRequestVars

  25. lazy val name: String
    Attributes
    protected
    Definition Classes
    AnyVarTrait
  26. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  27. final def notify(): Unit
    Definition Classes
    AnyRef
  28. final def notifyAll(): Unit
    Definition Classes
    AnyRef
  29. def onChange(f: FuncType): Unit

    On any change to this Var, invoke the function.

    On any change to this Var, invoke the function. Changes are setting the value, clearing the value. There may not be a call if the Var goes out of scope (e.g., a RequestVar at the end of the Request).

    The function takes a Box[T] (Full if the Var is being set, Empty if it's being cleared) and a Boolean indicating that the set function is setting to the default value.

    The function should execute *very* quickly (e.g., Schedule a function to be executed on a different thread).

    The function should generally be set in Boot or when a singleton is created.

    f

    the function to execute on change

    Definition Classes
    AnyVarTrait
  30. def onShutdown(session: CleanUpParam): Unit
    Attributes
    protected
    Definition Classes
    AnyVarTrait
  31. def performAtomicOperation[T](f: ⇒ T): T

    Perform an atomic operation on the Settable.

    Perform an atomic operation on the Settable. By default synchronizes the instance, but it could use other mechanisms

    Definition Classes
    Settable
  32. def registerCleanupFunc(in: (Box[LiftSession]) ⇒ Unit): Unit
    Attributes
    protected
    Definition Classes
    RequestVarAnyVarTrait
  33. final def registerGlobalCleanupFunc(in: (CleanUpParam) ⇒ Unit): Unit
    Attributes
    protected
    Definition Classes
    AnyVarTrait
  34. def remove(): Unit
    Definition Classes
    AnyVarTrait
  35. def set(what: T): T

    Shadow of the apply method

    Shadow of the apply method

    Definition Classes
    AnyVarTraitSettable
  36. def setFunc(name: String, value: T): Unit
    Attributes
    protected
    Definition Classes
    RequestVarAnyVarTrait
  37. def setIfUnset(value: ⇒ T): T

    Set the Var if it has not been calculated

    Set the Var if it has not been calculated

    Definition Classes
    AnyVarTrait
  38. def set_?: Boolean

    Has this Var been set or accessed and had its default value calculated

    Has this Var been set or accessed and had its default value calculated

    Definition Classes
    AnyVarTrait
  39. def settingDefault_?: Boolean
    Attributes
    protected
    Definition Classes
    AnyVarTrait
  40. def snapshot(): () ⇒ Unit

    Return a function that, when applied, will set the value of the RequestVar to its current value

    Return a function that, when applied, will set the value of the RequestVar to its current value

    Definition Classes
    RequestVar
  41. def snapshotGroup: Box[RequestVarSnapshotGroup]

    The Snapshot group this requestvar is part of

    The Snapshot group this requestvar is part of

    Definition Classes
    SnapshotRequestVarRequestVar
  42. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  43. def testWasSet(name: String, bn: String): Boolean

    A non-side-effecting test if the value was initialized

    A non-side-effecting test if the value was initialized

    Attributes
    protected
    Definition Classes
    RequestVarAnyVarTrait
  44. def toString(): String
    Definition Classes
    AnyVarTrait → AnyRef → Any
  45. def update(f: (T) ⇒ T): T

    Applies the given function to the contents of this variable and sets the variable to the resulting value.

    Applies the given function to the contents of this variable and sets the variable to the resulting value.

    f

    -- the function to apply and set the result from.

    Definition Classes
    AnyVarTrait
  46. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  47. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  48. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  49. def wasInitialized(name: String, bn: String): Boolean
    Attributes
    protected
    Definition Classes
    RequestVarAnyVarTrait

Inherited from RequestVar[T]

Inherited from HasLogUnreadVal

Inherited from util.AnyVar[T, RequestVar[T]]

Inherited from AnyVarTrait[T, RequestVar[T]]

Inherited from HasCalcDefaultValue[T]

Inherited from PSettableValueHolder[T]

Inherited from SettableValueHolder

Inherited from Settable

Inherited from PValueHolder[T]

Inherited from ValueHolder

Inherited from AnyRef

Inherited from Any

Ungrouped